WEEKMONTHYEARENS 568662023-11-20T15:56:00020 November 2023 15:56:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
HPCI Declared Inoperable
ENS 560232022-07-30T03:17:00030 July 2022 03:17:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
RHR Capability Lost Due to Suction Bay Level
ENS 532042018-02-12T18:00:00012 February 2018 18:00:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
En Revision Imported Date 10/14/2019
ENS 529642017-09-12T16:31:00012 September 2017 16:31:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Standby Liquid Control System Piping Failure
ENS 522532016-09-19T20:50:00019 September 2016 20:50:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Control Room Emergency Ventilation Charcoal Not Meeting Acceptance Criteria
ENS 520462016-06-27T15:50:00027 June 2016 15:50:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Dresden Unit 3 Declares Alert
ENS 519342016-05-16T19:57:00016 May 2016 19:57:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Accident Mitigation - Hpci Declared Inoperable
ENS 514212015-09-24T02:00:00024 September 2015 02:00:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Inoperable Due to Mgu Failure
ENS 495912013-11-30T21:53:00030 November 2013 21:53:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System Surveillance Test Failure
ENS 480802012-07-10T07:36:00010 July 2012 07:36:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Invalid Group 5 Isolation Due to Failed Test Switch During Surveillance
ENS 480092012-06-10T08:00:00010 June 2012 08:00:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Declared Inoperable Due to Leakage
ENS 479472012-05-22T15:55:00022 May 2012 15:55:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Declared Inoperable
ENS 473702011-10-24T15:35:00024 October 2011 15:35:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Accident Mitigation Systems Out of Service Due to Maintenance Error
ENS 471512011-08-12T19:29:00012 August 2011 19:29:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System Inoperable Due to Valve Body Leak
ENS 468572011-05-17T15:30:00017 May 2011 15:30:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Temporary Blockage of Suction Source for Containment Cooling Service Water
ENS 464402010-11-26T23:34:00026 November 2010 23:34:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Declared Inoperable Due to a Steam Leak
ENS 462532010-09-15T08:13:00015 September 2010 08:13:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci Declared Inoperable During Surveillance Testing
ENS 458442010-04-15T16:19:00015 April 2010 16:19:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Declared Inoperable Due to Voiding in Discharge Piping
ENS 455252009-11-28T04:05:00028 November 2009 04:05:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Turbine Valve Trips Did Not Meet Tech Specs
ENS 454722009-11-02T12:12:0002 November 2009 12:12:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Loss of Shutdown Cooling
ENS 446262008-11-03T12:52:0003 November 2008 12:52:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Recirc Loop Temperature Element Failed
ENS 444702008-09-07T13:05:0007 September 2008 13:05:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Isolation Condenser Declared Inoperable Following Surveillance Testing
ENS 441402008-04-15T12:00:00015 April 2008 12:00:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection Declared Inoperable
ENS 435262007-07-26T22:06:00026 July 2007 22:06:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Accident Mitigation Report - Unit 2 Hpci Isolated Due to Small Bore Steam Leak
ENS 432092007-03-03T01:12:0003 March 2007 01:12:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Unit 3 Hpci Inoperable Due to Pinhole Leak on the Steam Side
ENS 429762006-11-09T04:54:0009 November 2006 04:54:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Failure of Control Room Hvac to Maintain Control Room Temperature
ENS 424812006-04-06T15:39:0006 April 2006 15:39:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System Declared Inoperable
ENS 423002006-02-02T01:43:0002 February 2006 01:43:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Inoperable Isolation Condenser
ENS 417912005-06-23T20:49:00023 June 2005 20:49:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Offsite Power Source Declared Inoperable Due to Low Voltage
ENS 413702005-02-04T01:15:0004 February 2005 01:15:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
4160 Volt Relaying and Metering Single Failure Vulnerability
ENS 407122004-04-28T17:09:00028 April 2004 17:09:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Control Room Hvac Inoperable
ENS 407032004-04-24T15:50:00024 April 2004 15:50:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat
Isolation Condenser Declared Inoperable
ENS 406712004-04-12T23:10:00012 April 2004 23:10:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolant Injection System (Hpci) Declared Inoperable
ENS 404942004-02-01T10:00:0001 February 2004 10:00:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
High Pressure Coolent Injection Declared Inoperable But Remains Available.
ENS 403112003-11-10T13:20:00010 November 2003 13:20:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Bypassing the Pressure Suppression Function of the Torus
ENS 402272003-10-07T03:15:0007 October 2003 03:15:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Hpci System Inoperability Due to Failed Suppression Pool Level Switch at Dresden Unit 2
2023-11-20T15:56:00
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